Pure n' Bio Blogs

Mineral oil is a petroleum distillate that sits on the surface of your skin to slow water loss. Certified-organic plant oils are absorbed and deliver the fatty acids your barrier actually uses to repair itself. Here is the science, and how to choose.

Oily, dry, or sensitive skin? Here is a clear, certified-organic guide to choosing a foundation that matches your skin type — without PFAS, silicones, or synthetic fillers.

Antiperspirants use aluminium salts to plug your sweat ducts. Here is why sweating is a feature, not a flaw, and how a certified-organic, aluminium-free deodorant keeps you fresh without blocking what your body does on purpose.

The EU restricted cyclic silicones D4, D5 and D6 because they are very persistent and very bioaccumulative. Here is what that means for your hair and skin — and how certified-organic plant oils deliver the same silky slip without the environmental cost.

Formaldehyde rarely appears by name on a cosmetic ingredient list. Instead it hides inside "formaldehyde-releasing" preservatives like DMDM hydantoin and quaternium-15. Here is what they are, why a Group 1 carcinogen ends up in everyday beauty products, and why certified-organic formulas simply forbid them.

SLS and SLES are the lab benchmark for skin irritation, and SLES production can leave behind 1,4-dioxane, a possible carcinogen. Here is what sulfates really do to your hair and scalp, why gentle plant-sugar (APG) foams are different, and how certified-organic, sulfate-free shampoo cleans without the harshness.

PEG-based and "-eth" cleansing agents are made by ethoxylation, a process that can leave behind 1,4-dioxane — a contaminant the IARC classifies as Group 2B, possibly carcinogenic to humans. Here is what that means for your face wash, and why plant-derived APG surfactants offer a cleaner way to cleanse.

Long-wear foundations and waterproof mascaras often owe their staying power to PFAS — synthetic "forever chemicals." A peer-reviewed study found high fluorine in 56% of foundations tested, yet almost none listed PFAS on the label. Here is what they are, why they matter, and how certified-organic makeup gives you wear without them.

An FDA-led study found oxybenzone is absorbed into the bloodstream within two hours and far exceeds the agency's safety threshold. Here is what that means for pregnancy, and why certified-organic mineral filters are the safer answer.